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Finding the Fourth Proportional to 896,670, 1,237,410.68 and 534,109.14

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Solution

The fourth proportional to 896,670, 1,237,410.68 and 534,109.14 is: 737,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,670 : 1,237,410.68 = 534,109.14 : x
  2. Step 2: Convert to fraction form
    896,670/1,237,410.68 = 534,109.14/x
  3. Step 3: Cross multiply
    896,670x = 1,237,410.68 × 534,109.14
  4. Step 4: Simplify right side
    896,670x = 660,912,351,451.07
  5. Step 5: Solve for x
    x = 660,912,351,451.07/896,670
  6. Step 6: Final answer
    x = 737,074.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.